MicroVAX 2000 ROM placement question

allison ajp166 at verizon.net
Wed Sep 15 21:54:42 CDT 2010


On 09/15/2010 10:22 PM, Ethan Dicks wrote:
> On 9/15/10, David J. Cooper<trs80 at marmotking.com>  wrote:
>    
>> Why, yes, I do have many Microvax 2000 motherboards.
>>
>> What numbers do you have on your ROMs?  I seem to have a variety of numbers
>> on various boards.  Maybe I can find a match.
>>      
> The stickers say...
>
> 23-092E7-00 | ABOfy/w8851 | digital |
> 23-093E7-00 | ABOfy/w8850 | digital |
> 23-094E7-00 | ABOfy/w8852 | digital |
> 23-095E7-00 | | |
>
>    

The 23-09xE7-00 is the magic number, the abo is where and the 8852 is 
1988 week 52.
If memory serves the 2-5 is sequential as are the sockets.


Allison


> The last one is in a much larger dot-matrix font with each block of
> numbers on their own line.  The others look like they were printed on
> an LA210 or something "nice".
>
> Thanks for any tips.
>
> -ethan
>
>    




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